condition mean min max Sterile Leaflet 4.064133333333333 0.0 12.1924 Fertile Leaflet with Sori 0.13607733333333333 0.0 0.207689 Primary Rachis 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Crozier 3.05181 1.69451 4.14418 Rhizome 0.482063 0.172906 0.644838 Root 0.482398 0.0 0.833507